Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

John H. Tschirhart, MD

Works at hospitals in Seattle, WA · Washington

Summary

Dr. John H. Tschirhart, MD is a general surgeon at 1221 Madison St, Seattle, WA 98104. Phone: (206) 386-6700. Accepts Medicare assignment. In 2024, John H. Tschirhart had 69 Original Medicare patients and 110 services. NPI 1518956762. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about John H. Tschirhart, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does John H. Tschirhart accept Medicare assignment?
Yes. Medicare's clinician data says John H. Tschirhart accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does John H. Tschirhart see?
In 2024, CMS data shows 69 Original Medicare patients and 110 services for John H. Tschirhart. This counts Original Medicare only and measures volume, not quality.
What is John H. Tschirhart's NPI number?
1518956762. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for John H. Tschirhart, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients69
Services billed to Medicare110
Different services or procedures38
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)19 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)11 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol72%
  • High blood pressure65%
  • Arthritis48%
  • Ischemic heart disease33%
  • Depression30%
  • Anxiety25%

Hospitals where John H. Tschirhart works

Medicare's Facility Affiliation Data lists John H. Tschirhart at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where John H. Tschirhart is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists John H. Tschirhart as a member of this group (CMS data updated October 2, 2026).

  • Swedish Health Services1,037 clinicians in the group

Specialties

Find other General Surgery doctors in Washington →

Other general surgeons in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

All general surgeons in Seattle →

Other clinicians in Swedish Health Services

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518956762
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians